| use super::{InlineAsmArch, InlineAsmType}; |
| use rustc_macros::HashStable_Generic; |
| use rustc_span::Symbol; |
| use std::fmt; |
| |
| def_reg_class! { |
| S390x S390xInlineAsmRegClass { |
| reg, |
| reg_addr, |
| freg, |
| } |
| } |
| |
| impl S390xInlineAsmRegClass { |
| pub fn valid_modifiers(self, _arch: super::InlineAsmArch) -> &'static [char] { |
| &[] |
| } |
| |
| pub fn suggest_class(self, _arch: InlineAsmArch, _ty: InlineAsmType) -> Option<Self> { |
| None |
| } |
| |
| pub fn suggest_modifier( |
| self, |
| _arch: InlineAsmArch, |
| _ty: InlineAsmType, |
| ) -> Option<(char, &'static str)> { |
| None |
| } |
| |
| pub fn default_modifier(self, _arch: InlineAsmArch) -> Option<(char, &'static str)> { |
| None |
| } |
| |
| pub fn supported_types( |
| self, |
| arch: InlineAsmArch, |
| ) -> &'static [(InlineAsmType, Option<Symbol>)] { |
| match (self, arch) { |
| (Self::reg | Self::reg_addr, _) => types! { _: I8, I16, I32, I64; }, |
| (Self::freg, _) => types! { _: F32, F64; }, |
| } |
| } |
| } |
| |
| def_regs! { |
| S390x S390xInlineAsmReg S390xInlineAsmRegClass { |
| r0: reg = ["r0"], |
| r1: reg, reg_addr = ["r1"], |
| r2: reg, reg_addr = ["r2"], |
| r3: reg, reg_addr = ["r3"], |
| r4: reg, reg_addr = ["r4"], |
| r5: reg, reg_addr = ["r5"], |
| r6: reg, reg_addr = ["r6"], |
| r7: reg, reg_addr = ["r7"], |
| r8: reg, reg_addr = ["r8"], |
| r9: reg, reg_addr = ["r9"], |
| r10: reg, reg_addr = ["r10"], |
| r12: reg, reg_addr = ["r12"], |
| r13: reg, reg_addr = ["r13"], |
| r14: reg, reg_addr = ["r14"], |
| f0: freg = ["f0"], |
| f1: freg = ["f1"], |
| f2: freg = ["f2"], |
| f3: freg = ["f3"], |
| f4: freg = ["f4"], |
| f5: freg = ["f5"], |
| f6: freg = ["f6"], |
| f7: freg = ["f7"], |
| f8: freg = ["f8"], |
| f9: freg = ["f9"], |
| f10: freg = ["f10"], |
| f11: freg = ["f11"], |
| f12: freg = ["f12"], |
| f13: freg = ["f13"], |
| f14: freg = ["f14"], |
| f15: freg = ["f15"], |
| #error = ["r11"] => |
| "The frame pointer cannot be used as an operand for inline asm", |
| #error = ["r15"] => |
| "The stack pointer cannot be used as an operand for inline asm", |
| #error = [ |
| "c0", "c1", "c2", "c3", |
| "c4", "c5", "c6", "c7", |
| "c8", "c9", "c10", "c11", |
| "c12", "c13", "c14", "c15" |
| ] => |
| "control registers are reserved by the kernel and cannot be used as operands for inline asm", |
| #error = [ |
| "a0", "a1", "a2", "a3", |
| "a4", "a5", "a6", "a7", |
| "a8", "a9", "a10", "a11", |
| "a12", "a13", "a14", "a15" |
| ] => |
| "access registers are not supported and cannot be used as operands for inline asm", |
| } |
| } |
| |
| impl S390xInlineAsmReg { |
| pub fn emit( |
| self, |
| out: &mut dyn fmt::Write, |
| _arch: InlineAsmArch, |
| _modifier: Option<char>, |
| ) -> fmt::Result { |
| write!(out, "%{}", self.name()) |
| } |
| } |